class_docstr: A node in an OverlayGraph. Corresponds to a TensorFlow Tensor.
    
code: def lcm(self):
      return self.overlay_graph.lcm(self.consumers)
  
imports: from collections import defaultdict
  import numpy
  import tensorflow
label_desc: Use image node_id 10 for calling the OverlayNode obj's underlying member method code with example usage: obj.lcm() and returns: self